Update README.md

Author: DirkatExasol

README.md

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-# Exasol MCP Server
+# Exasol MCP Server with Text-to-SQL option
 
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-Provides an LLM access to the Exasol database via MCP tools. Includes the
-tools for reading the database metadata and executing data reading queries.
+Provides an LLM access to the Exasol database via MCP tools. Includes tools 
+for reading the database metadata and executing data reading queries, and a 
+tool for transforming natural language into SQL statements.
 
 ## Features
 
-- Collects the metadata.
-  * Enumerates the existing database objects, including schemas, tables, views, functions and UDF scripts.
-  * Provides a filtering mechanisms to use with object enumeration.
-  * Describes the database objects: for tables returns the list of columns and constraints; for functions and scripts - the list of input and output parameters.
-- Executes provided data reading SQL query. Disallows any other type of query.
-
+- Blah
+- Blah
+- 
 ## Prerequisites
 
 - [Python](https://www.python.org/) >= 3.10.